/Engine/Plugins/Experimental/ScriptableToolsFramework/Source/ScriptableToolsFramework/Public/ScriptableInteractiveTool.h
Display a Warning message to the user, ie to indicate a problem/issue occurred.
[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintCallable, Category="ScriptableTool|Messaging") void DisplayUserWarningMessage ( [FText](API\Runtime\Core\Internationalization\FText) Message )